envlab – Addresses on envelopes or mailing labels

A LaTeX pack­age for pro­duc­ing mail­ing en­velopes and la­bels,
in­clud­ing bar­codes and ad­dress for­mat­ting ac­cord­ing to the US
Postal Ser­vice rules. Rede­fines the stan­dard \make­la­bels
com­mand of the LaTeX let­ter doc­u­ment­class.